---
title: "CE marking"
description: "The mark showing a high-risk AI system's conformity with the EU AI Act, affixed visibly, legibly and indelibly, or digitally for systems provided digitally, with the notified body's number where one…"
canonical: https://aigovernanceengineer.com/glossary/ce-marking
author: "Jorge García Aibar"
license: "CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)"
doi: https://doi.org/10.5281/zenodo.22956197
version: "0.5.0"
updated: 2026-09-25
---

# CE marking

The mark showing a high-risk AI system's conformity with the EU AI Act, affixed visibly, legibly and indelibly, or digitally for systems provided digitally, with the notified body's number where one was involved [1].

- Developed in: [ch. 18, Conformity assessment, declaration, marking and registration](https://aigovernanceengineer.com/bok/eu-ai-act#conformity-assessment-declaration-marking-and-registration); [ch. 14, EU AI Act conformity, in order](https://aigovernanceengineer.com/bok/governing-development#eu-ai-act-conformity-in-order)
- Chapters: [ch. 14, Development](https://aigovernanceengineer.com/bok/governing-development) · [ch. 18, EU AI Act](https://aigovernanceengineer.com/bok/eu-ai-act)
- Contrast with: [EU declaration of conformity](https://aigovernanceengineer.com/glossary/eu-declaration-of-conformity)
- In the glossary chapter: https://aigovernanceengineer.com/bok/glossary#t-ce-marking

## Sources

[1] Regulation (EU) 2024/1689 (AI Act), consolidated text as amended by Regulation (EU) 2026/1744 (Digital Omnibus on AI, in force 27 Jul 2026; definitions in Art. 3, incl. 3(1), 3(3) to 3(14), 3(14b), 3(20), 3(22), 3(23), 3(29) to 3(32), 3(49), 3(55) to 3(57), 3(60), 3(61), 3(63), 3(68); Arts. 4, 5, 6 (incl. 6(3) third subparagraph, profiling), 9, 10, 11, 13, 14, 15, 17, 22 to 27 (incl. 26(11)), 40, 41, 43, 47, 48, 50, 53 (incl. 53(1)(c)), 55, 57, 60, 72, 73, 86; Annexes I, III, IV). Publications Office of the EU (EUR-Lex). 2026-07-27. https://eur-lex.europa.eu/eli/reg/2024/1689/2026-07-27/eng (verified: primary)